Home / 4,128,941.44-5,697,792.96-2,318,181.76

Finding the Fourth Proportional to 4,128,941.44, 5,697,792.96 and 2,318,181.76

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Solution

The fourth proportional to 4,128,941.44, 5,697,792.96 and 2,318,181.76 is: 3,199,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,941.44 : 5,697,792.96 = 2,318,181.76 : x
  2. Step 2: Convert to fraction form
    4,128,941.44/5,697,792.96 = 2,318,181.76/x
  3. Step 3: Cross multiply
    4,128,941.44x = 5,697,792.96 × 2,318,181.76
  4. Step 4: Simplify right side
    4,128,941.44x = 13,208,519,712,128.41
  5. Step 5: Solve for x
    x = 13,208,519,712,128.41/4,128,941.44
  6. Step 6: Final answer
    x = 3,199,008.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.